|
9 | 9 | #ifndefTRIGGER_H |
10 | 10 | #defineTRIGGER_H |
11 | 11 |
|
| 12 | +#include"access/tupdesc.h" |
| 13 | +#include"access/htup.h" |
| 14 | +#include"utils/rel.h" |
| 15 | + |
| 16 | +typedefuint32TriggerAction; |
| 17 | + |
| 18 | +#defineTRIGGER_ACTION_INSERT0x00000000 |
| 19 | +#defineTRIGGER_ACTION_DELETE0x00000001 |
| 20 | +#defineTRIGGER_ACTION_UPDATE0x00000010 |
| 21 | +#defineTRIGGER_ACTION_OPMASK0x00000011 |
| 22 | +#defineTRIGGER_ACTION_ROW4 |
| 23 | + |
| 24 | +#defineTRIGGER_FIRED_BY_INSERT (action)\ |
| 25 | +(((TriggerAction) action & TRIGGER_ACTION_OPMASK) == \ |
| 26 | +TRIGGER_ACTION_INSERT) |
| 27 | + |
| 28 | +#defineTRIGGER_FIRED_BY_DELETE (action)\ |
| 29 | +(((TriggerAction) action & TRIGGER_ACTION_OPMASK) == \ |
| 30 | +TRIGGER_ACTION_DELETE) |
| 31 | + |
| 32 | +#defineTRIGGER_FIRED_BY_UPDATE (action)\ |
| 33 | +(((TriggerAction) action & TRIGGER_ACTION_OPMASK) == \ |
| 34 | +TRIGGER_ACTION_UPDATE) |
| 35 | + |
| 36 | +#defineTRIGGER_FIRED_FOR_ROW (action)\ |
| 37 | +((TriggerAction) action & TRIGGER_ACTION_ROW) |
| 38 | + |
| 39 | +#defineTRIGGER_FIRED_FOR_STATEMENT (action)\ |
| 40 | +(!TRIGGER_FIRED_FOR_ROW (action)) |
| 41 | + |
| 42 | + |
12 | 43 | externvoidCreateTrigger (CreateTrigStmt*stmt); |
13 | 44 | externvoidDropTrigger (DropTrigStmt*stmt); |
14 | 45 |
|
| 46 | +externHeapTupleExecBRInsertTriggers (Relationrel,HeapTupletuple); |
| 47 | +externvoidExecARInsertTriggers (Relationrel,HeapTupletuple); |
| 48 | +externboolExecBRDeleteTriggers (Relationrel,ItemPointertupleid); |
| 49 | +externvoidExecARDeleteTriggers (Relationrel,ItemPointertupleid); |
| 50 | +externHeapTupleExecBRUpdateTriggers (Relationrel,ItemPointertupleid,HeapTupletuple); |
| 51 | +externvoidExecARUpdateTriggers (Relationrel,ItemPointertupleid,HeapTupletuple); |
| 52 | + |
15 | 53 | #endif/* TRIGGER_H */ |